31199905 is an odd 8-digits composite number following 31199904
and preceding 31199906 . In scientific notation, it is written as 3.1199905 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 22612480 positive integers (up to 31199905) that are relatively prime to 31199905.
31199905 has 16 divisors, whose sum is 40984704
The reverse of 31199905 is 50999113
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirty-one million one hundred ninety-nine thousand nine hundred five
Scientific notation
3.1199905 × 10^7
Engineering notation
3.1199905 × 10^6
Prime Factorization
5 × 11 × 353 × 1607
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31199905
Product of the distinct prime numbers
The prime factorization of 31199905 is 5 × 11 × 353 × 1607.
Since it has a total of 4 prime factors.
7 , 7 , 17 , 65 , 102 , 548 , 5903 , 1958 , 89117 , 12998 , 39534 , 695040 , 5093376 , 7244567 , 39609420 , 84163952 , 453497459 , 794713876 , 8885157299 , 8357357878
n×2
62399810
n×3
93599715
n×4
124799620
n×5
155999525
n÷2
15599952.5
n÷3
10399968.333333
n÷3
7799976.25
n÷5
6239981
n2
973434072009025
n3
3.0371050570445E+22
n4
9.4757389254807E+29
n5
2.956421542798E+37
2 √n
5585.687513637
3 √n
314.81186380505
4 √n
74.737457232883
5 √n
31.537746233571
1 , 5 , 11 , 55 , 353 , 1607 , 1765 , 3883 , 8035 , 17677 , 19415 , 88385 , 567271 , 2836355 , 6239981 , 31199905
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31199904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31199905 can be divided by 16 positive divisors.
The sum of these divisors (counting 31199905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111000001001010100001
3
Ternary
2011201010020001
4
Quaternary
1313001022201
5
Quinary
30441344110
6
Senary
3032420001
8
Octal
167011241
10
Decimal
31199905
12
Duodecimal
a547601
16
Hexadecimal
1dc12a1
20
Vigesimal
9ejjf5
36
Base36
ikq01
md5
33ce300d717d93976e7022a42ea24733
sha1
1dd8fd7d9c0beca973de51168ae20e79f065ed55
sha256
2cc9cae621d49021b9df580728dcf3a636f47bb7df9c6ed8eacf7796454a15c3
sha512
9db6f92323b4c5b07d58798cca55de7db8396394dda2e314969291a32d90362b5a8c3199736e95c0aecc339038b99e96e18f67964da9b2dc95c624eac9f0d32d
ripemd-160
7c07b4c81469dfcb16132cb6dc27ff255bb1e383
Diameter
62399810
Circumference
196034784.6814
Area
3.0581333293776E+15
Volume
1.2721795913855E+23
Surface area
1.223253331751E+16
Circumference
196034784.6814
Perimeter
124799620
Area
973434072009025
Diagonal
44123328.795752
Surface area
5840604432054150
Volume
3.0371050570445E+22
Space diagonal
54039820.651322
Perimeter
93599715
Area
4.2150931763457E+14
Altitude
27019910.325661
Surface area
4.2150931763457E+14
Volume
3.5792626350202E+21
Height
14707776.265251